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Images of the surgical procedure. A An ultrasonic bone scalpel was used for laminectomy and facetectomy. B Flavum ligament was removed by using forceps. C Exposure of disc space. D Pituitary forceps were used for removal of the intervertebral disc material. E Exposure of the disc space. F Endplate preparation. G A cage was filled with bone chips and inserted into the central part of the disc space
